Compra Bitcoin(BTC)

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Preço estimado
1 BTC0,00 USD
Bitcoin
BTC
Bitcoin
$64 614,4
+0,16%
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Como comprar Bitcoin(BTC) com USD?

Introduzir Montante
Selecione o par de negociação BTC/USD e introduza o montante da compra.
Confirmar ordem
Reveja os detalhes da transação, incluindo o preço BTC/USD, taxas e outras notas. Uma vez confirmada, submeta a ordem.
Receba Bitcoin(BTC)
Após o pagamento bem sucedido, o BTC adquirido vai ser automaticamente creditado na sua carteira Gate.com.

Como comprar Bitcoin(BTC) com cartão de crédito ou cartão de débito?

  • 1
    Criar a sua conta Gate.com e verificar a sua identidadePara comprar BTC em segurança, comece por se inscrever numa conta Gate.com e concluir a verificação da identidade KYC para proteger as suas transações.
  • 2
    Escolha BTC e método de pagamentoAceda à seção "Comprar Bitcoin(BTC)", selecione BTC, introduza o montante que pretende comprar e escolha cartão de débito como opção de pagamento. Em seguida, preencha os dados do seu cartão.
  • 3
    Receba BTC instantaneamente na sua carteiraDepois de confirmar a ordem, o BTC que comprar vai ser creditado de forma instantânea e segura na sua carteira Gate.com — pronto para ser negociado, guardado ou transferido.

Porquê comprar Bitcoin(BTC)?

O que é Bitcoin? O nascimento do ouro digital descentralizado
A Bitcoin (BTC) foi introduzida em 2008 por Satoshi Nakamoto e lançada oficialmente em 2009 como a primeira criptomoeda descentralizada do mundo. Permite pagamentos eletrónicos peer-to-peer sem intermediários como bancos ou governos. Todas as transações são registadas numa blockchain pública, garantindo transparência e segurança.
Como é que a Bitcoin funciona? Consenso PoW e tecnologia de blockchain
A Bitcoin funciona com um mecanismo de consenso de Prova de Trabalho (PoW). Quando Alice quer enviar 1 BTC para Bob, os mineradores competem para resolver problemas matemáticos complexos. O primeiro a resolvê-lo ganha novos bitcoins como recompensa do bloco e regista a transação na blockchain. Este sistema assegura a segurança da rede, mas resulta num elevado consumo de energia e numa maior dificuldade de extração.
Oferta de Bitcoin e mecanismo de halving
A oferta de Bitcoin está estritamente limitada a 21 milhões de moedas, o que a torna absolutamente escassa. De quatro em quatro anos, um evento de "halving" reduz a recompensa do bloco para os mineradores, abrandando a criação de novas bitcoins. Isto reforça as propriedades anti-inflacionárias da Bitcoin e é um fator chave para a valorização do seu preço a longo prazo. Até ao final de 2024, foram extraídas mais de 19,7 milhões de bitcoins.
Histórico de preços e impacto no mercado
A Bitcoin começou praticamente sem valor, atingindo $20,000 in 2017 and hitting new highs above $60 000 em 2021. Tem registado uma volatilidade extrema - como o famoso "Bitcoin Pizza Day", que marcou a sua primeira utilização comercial. Apesar de, no passado, ter sido considerada uma bolha ou uma fraude, a crescente adoção institucional e generalizada fez com que o seu valor de mercado ultrapassasse 1 bilião de dólares.
Razões e riscos para investir em Bitcoin
Proteção contra a inflação e armazenamento de valor: a oferta fixa e os eventos de redução para metade fazem da Bitcoin um ouro digital e um potencial ativo de refúgio seguro. Alta liquidez: a BTC é negociada em todas as principais exchanges, permitindo uma fácil alocação de carteira. Descentralização e autonomia: não é controlada por uma única entidade; os utilizadores têm controlo total sobre os seus ativos. Técnica e riscos regulamentares: elevada volatilidade, regulamentos pouco claros, preocupações ambientais decorrentes da exploração mineira e utilidade de pagamento limitada.
Pontos de vista céticos e perspetivas alternativas
Apesar da sua natureza revolucionária, a eficiência da Bitcoin como instrumento de pagamento é baixa e os riscos regulamentares continuam a ser significativos. Alguns especialistas veem a Bitcoin mais como um ativo especulativo do que como uma reserva de valor estável. Os investidores devem avaliar cuidadosamente a sua tolerância ao risco.

Bitcoin(BTC) Preço atual e Tendências de mercado

BTC/USD
Bitcoin
$64 614,4
+0,16%
Mercados
Popularidade
Capitalização de mercado
#1
$1,29T
Volume
Oferta de circulação
$217,11M
20,05M

Atualmente, a Bitcoin (BTC) tem um preço de $64 614,4 por moeda. A oferta em circulação é de aproximadamente 20 058 731 BTC, resultando numa capitalização de mercado total de $20,05M, Classificação atual da capitalização de mercado: 1.

Nas últimas 24 horas, o volume de negociação do Bitcoin atingiu $217,11M, representando um +0.16% em comparação com o dia anterior. Na semana passada, o preço do Bitcoin +1.25%, refletindo a procura contínua de BTC como ouro digital e uma proteção contra a inflação.

Além disso, o máximo histórico da Bitcoin foi $126 080. A volatilidade do mercado continua a ser significativa, pelo que os investidores devem acompanhar de perto as tendências macroeconómicas e os desenvolvimentos regulamentares.

Bitcoin(BTC) Comparar com outras criptomoedas

BTC VS
BTC
em massa
Variação percentual de 24h
Alteração de 7d por cento
Volume de negociações 24h
Capitalização de mercado
Classificação de mercado
Oferta circulante

O que se segue depois de comprar Bitcoin(BTC)?

À vista
Negoceie em BTC a qualquer altura utilizando a vasta gama de pares de negociação da Gate.com, aproveite as oportunidades de mercado e aumente os seus ativos.
Simple Earn
Utilize o seu BTC ocioso para subscrever os produtos financeiros flexíveis ou a prazo fixo da plataforma e ganhar facilmente um rendimento extra.
Converter
Troque rapidamente BTC por outras criptomoedas com facilidade.

Vantagens de comprar Bitcoin através de Gate

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Outras criptomoedas disponíveis na Gate

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Taxa de câmbio ETH/BTC continua a valorizar-se: porque está o Ethereum a traçar o seu próprio caminho?
O Ethereum valorizou-se 1,88 % nas últimas 24 horas, ultrapassando os 1 900 $. Desde o mínimo registado em 2 de julho, recuperou 19,6 %, liderando os ganhos entre as principais criptomoedas.
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Mais wiki sobre BTC

As últimas notícias sobre Bitcoin(BTC)

20-07-2026 32:01Market Whisper
Gate 日报(7月20日):《CLARITY 法案》通过可能性骤降至 31%;Saylor 批评 BIP-110 主意糟糕
20-07-2026 13:01Gate News
BTC 15分钟微跌0.41%:美伊冲突升级与宏观对冲导致窄幅震荡
20-07-2026 16:00Gate News
BTC 15分钟微涨0.46%:地缘冲突避险支撑与宏观对冲陷入窄幅震荡
20-07-2026 00:00Gate News
美国法院裁定扣押来自 BlackCat 勒索软件关联方 Angelo Martino 的 837 万美元加密资产
19-07-2026 09:22Crypto Frontier
塞勒反对 BIP-110 软分叉,并在 11 月 10 日的文章中发声,随着 8 月最后期限临近
Mais notícias sobre BTC
BTC and ETH are both in a relatively strong market with a bottoming-and-rebound trend overall, with ETH showing relatively stronger trend.
BTC surged to around 65,000 on the 4-hour chart, exactly hitting the prior swing high resistance area. It already spiked and then pulled back on the 1-hour chart, so there’s a near-term need for a pullback to digest. For support below, first look at 64,000-64,200. If it holds, it’s still within the rebound rhythm; if it breaks down, it will most likely retest around 63,500.
ETH’s rebound strength is stronger. It has already reached the 1,890 area resistance. The 4-hour rebound structure is more stable. Support below is around 1,850-1,860.
In terms of trading, don’t blindly chase price. It’s more prudent to buy on pullbacks at the corresponding support; if BTC faces pressure above 65,000 and ETH can’t get through the 1,890-1,900 area, you can consider a small-position short. Control your position size well and be sure to use a stop loss. $BTC  ‌$ETH  ‌
GreatOceanLawOfNature
20-07-2026 41:01
BTC and ETH are both in a relatively strong market with a bottoming-and-rebound trend overall, with ETH showing relatively stronger trend. BTC surged to around 65,000 on the 4-hour chart, exactly hitting the prior swing high resistance area. It already spiked and then pulled back on the 1-hour chart, so there’s a near-term need for a pullback to digest. For support below, first look at 64,000-64,200. If it holds, it’s still within the rebound rhythm; if it breaks down, it will most likely retest around 63,500. ETH’s rebound strength is stronger. It has already reached the 1,890 area resistance. The 4-hour rebound structure is more stable. Support below is around 1,850-1,860. In terms of trading, don’t blindly chase price. It’s more prudent to buy on pullbacks at the corresponding support; if BTC faces pressure above 65,000 and ETH can’t get through the 1,890-1,900 area, you can consider a small-position short. Control your position size well and be sure to use a stop loss. $BTC ‌$ETH ‌
BTC
+0,23%
ETH
+1,21%
BTC Price Forecast: Is a Year-End Push to $120k a Dream?
The current Bitcoin total market cap still accounts for a high share, and the Fear & Greed Index has rebounded to 65. On-chain transaction activity has increased, and miners’ selling pressure has eased. The near-term resistance level is at $98k; once it breaks, gains are expected to accelerate. Taking into account historical cycles and the current macro environment, BTC could be on track to challenge $120k before year-end. Investors can build positions in batches and consider using leveraged contracts for flexible operation on Gate.io. Remember: the market is volatile—manage risk well, and holding quality assets long term is the real way to go!$BTC  ‌
ChainnetMedia
20-07-2026 31:01
BTC Price Forecast: Is a Year-End Push to $120k a Dream? The current Bitcoin total market cap still accounts for a high share, and the Fear & Greed Index has rebounded to 65. On-chain transaction activity has increased, and miners’ selling pressure has eased. The near-term resistance level is at $98k; once it breaks, gains are expected to accelerate. Taking into account historical cycles and the current macro environment, BTC could be on track to challenge $120k before year-end. Investors can build positions in batches and consider using leveraged contracts for flexible operation on Gate.io. Remember: the market is volatile—manage risk well, and holding quality assets long term is the real way to go!$BTC ‌
BTC
+0,23%
July 20, 2026 Market Update and Technical Analysis:
Today’s BTC and ETH news flow is mainly driven by a combination of escalating geopolitical tensions in the Middle East, weaker-than-expected macro inflation data, and structural reallocations by institutional funds.
Below is a summary of the core news: 1. Market Performance: BTC is nearing the 65,000 level. ETH and leading altcoins are rising across the board, boosted by both the geopolitical situation and macro data. The crypto market has entered a broad-based rally. Bitcoin (BTC) surged more than 2% over the past 24 hours and briefly approached the $65,000 whole-number mark; it is currently trading in a tight range above $64,500. Ethereum (ETH) and major coins such as Dogecoin are also moving up in tandem. But be cautious: volatility is intense. In the past 24 hours, more than 50k traders worldwide were liquidated, with total losses exceeding $200 million.
2. Macroeconomics and Geopolitics: Escalation of tensions between the US and Iran and rising bets on rate cuts fuel geopolitical conflict and boost risk-aversion: the US military has carried out airstrikes on Iran for the eighth consecutive night. Iran claims that shipping volume through the Strait of Hormuz has dropped to zero. The extreme tension in the region has led to a surge in international oil prices in the over-the-counter market, breaking above $84 per barrel. Global safe-haven capital has temporarily rotated toward the US dollar and US Treasuries, limiting upside room for risk assets.
Inflation cooling boosts risk assets: US June CPI came in below expectations (inflation eased to 3.5%), significantly reducing market expectations for the Federal Reserve’s July rate hike, and increasing the likelihood of rate cuts later this year. Valuations for non-yielding crypto assets have therefore been restored, becoming the key macro catalyst behind this rebound.
3. Capital Flows and Institutional Activity: ETF inflows return, and the market rotates internally: the BTC ETF continues to see net inflows. Bitcoin spot ETFs have maintained net inflows for 4 consecutive trading days (on July 18 alone, net inflows were $132.3 million), completely ending the prior eight-week bearish selling-pressure cycle. Institutional allocation funds, led by BlackRock (IBIT), have been continuously stepping in to buy the dip. Funds rotate from tech stocks to BTC: driven by expectations of an inflation rebound due to rising oil prices, the high-interest-rate environment has suppressed tech stock valuations. Some institutions have started trimming positions in high-level tech segments and instead allocating to Bitcoin, which has had a sufficient prior pullback and offers stronger liquidity.
ETH whale goes long with high leverage against the tide: on-chain data shows that after a whale sold 72 BTC, it opened a 20x leveraged long position and bought ETH worth about $22.4 million, indicating a strong bullish expectation for ETH’s short-term outlook.
4. Technicals and Derivatives Tug-of-War: Violent clashes between bulls and bears in BTC technicals: we are currently in a phase where the BTC bull-bear standoff is intensifying. The first resistance level in the short term is the $65,000 whole-number mark (a concentrated trapped long area). The key medium-term resistance is $65,600 (the 200-day moving average). Strong support lies below in the $63,500 to $64,200 range. ETH derivatives liquidations: Ethereum’s recent rebound has triggered large-scale liquidations of short positions. Over the past 24 hours, about $113 million in short positions were forcibly liquidated. However, analysts noted that due to the lack of spot-buy support, this leveraged-fund-driven rally is likely to be capped and pull back once it hits the $1,900 resistance zone. #BTC行情分析 #ETH行情分析 $BTC $ETH
ComeToUStrategy
20-07-2026 30:01
July 20, 2026 Market Update and Technical Analysis: Today’s BTC and ETH news flow is mainly driven by a combination of escalating geopolitical tensions in the Middle East, weaker-than-expected macro inflation data, and structural reallocations by institutional funds. Below is a summary of the core news: 1. Market Performance: BTC is nearing the 65,000 level. ETH and leading altcoins are rising across the board, boosted by both the geopolitical situation and macro data. The crypto market has entered a broad-based rally. Bitcoin (BTC) surged more than 2% over the past 24 hours and briefly approached the $65,000 whole-number mark; it is currently trading in a tight range above $64,500. Ethereum (ETH) and major coins such as Dogecoin are also moving up in tandem. But be cautious: volatility is intense. In the past 24 hours, more than 50k traders worldwide were liquidated, with total losses exceeding $200 million. 2. Macroeconomics and Geopolitics: Escalation of tensions between the US and Iran and rising bets on rate cuts fuel geopolitical conflict and boost risk-aversion: the US military has carried out airstrikes on Iran for the eighth consecutive night. Iran claims that shipping volume through the Strait of Hormuz has dropped to zero. The extreme tension in the region has led to a surge in international oil prices in the over-the-counter market, breaking above $84 per barrel. Global safe-haven capital has temporarily rotated toward the US dollar and US Treasuries, limiting upside room for risk assets. Inflation cooling boosts risk assets: US June CPI came in below expectations (inflation eased to 3.5%), significantly reducing market expectations for the Federal Reserve’s July rate hike, and increasing the likelihood of rate cuts later this year. Valuations for non-yielding crypto assets have therefore been restored, becoming the key macro catalyst behind this rebound. 3. Capital Flows and Institutional Activity: ETF inflows return, and the market rotates internally: the BTC ETF continues to see net inflows. Bitcoin spot ETFs have maintained net inflows for 4 consecutive trading days (on July 18 alone, net inflows were $132.3 million), completely ending the prior eight-week bearish selling-pressure cycle. Institutional allocation funds, led by BlackRock (IBIT), have been continuously stepping in to buy the dip. Funds rotate from tech stocks to BTC: driven by expectations of an inflation rebound due to rising oil prices, the high-interest-rate environment has suppressed tech stock valuations. Some institutions have started trimming positions in high-level tech segments and instead allocating to Bitcoin, which has had a sufficient prior pullback and offers stronger liquidity. ETH whale goes long with high leverage against the tide: on-chain data shows that after a whale sold 72 BTC, it opened a 20x leveraged long position and bought ETH worth about $22.4 million, indicating a strong bullish expectation for ETH’s short-term outlook. 4. Technicals and Derivatives Tug-of-War: Violent clashes between bulls and bears in BTC technicals: we are currently in a phase where the BTC bull-bear standoff is intensifying. The first resistance level in the short term is the $65,000 whole-number mark (a concentrated trapped long area). The key medium-term resistance is $65,600 (the 200-day moving average). Strong support lies below in the $63,500 to $64,200 range. ETH derivatives liquidations: Ethereum’s recent rebound has triggered large-scale liquidations of short positions. Over the past 24 hours, about $113 million in short positions were forcibly liquidated. However, analysts noted that due to the lack of spot-buy support, this leveraged-fund-driven rally is likely to be capped and pull back once it hits the $1,900 resistance zone. #BTC行情分析 #ETH行情分析 $BTC $ETH
BTC
+0,23%
ETH
+1,21%
Mais publicações sobre BTC

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